CN108089370A - A kind of preparation method of the quantum dot film of no barrier - Google Patents
A kind of preparation method of the quantum dot film of no barrier Download PDFInfo
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- CN108089370A CN108089370A CN201711194403.4A CN201711194403A CN108089370A CN 108089370 A CN108089370 A CN 108089370A CN 201711194403 A CN201711194403 A CN 201711194403A CN 108089370 A CN108089370 A CN 108089370A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a kind of preparation methods of the quantum dot film without Obstruct membrane.By the selection of the good quantum dot of stability and the reasonable preparation of resin in the preparation process of quantum dot film, under the common PET base protection of no barriers function, quantum dot film can still keep stable fluorescence property and longer service life.Further to quantum dot layer outside upper and lower PET protection film carry out functionalization coating, the cost of entire backlight module is greatly reduced while the performance of entire backlight module is promoted.
Description
Technical field
The invention belongs to optical film fields, and in particular to a kind of preparation method of the quantum dot film of no barrier.
Background technology
Quantum dot TV was as a kind of emerging liquid crystal display in recent years（LCD）The visual field of people is progressed into.
It has many advantages, such as full gamut is shown, color restoration capability is strong, efficient, good energy saving property, thus is subject to that consumer's is wide
General concern.Mainly an optical thin film is made in quantum dot by current quantum dot TV tech, and traditional backlight is substituted with it
Lower diffusion barrier sheet in module.Quantum dot film is used with blue-ray LED collocation in the application, and high-purity height is provided for LCD screen
The white light source of brightness haved the function that enhance LCD display effects, the gamut range that can make LCD is increased to 110%~
120% NTSC。
Quantum dot（Quantum Dot, abbreviation QD）It is a kind of new nano luminescent material, diameter is usually in 2~10nm
Between.Since the small quantum dot of size has many special outstanding photoelectric properties, such as：Excitation wavelength scope is wide, emission spectra
Narrow range interference in peak is small, emission spectrum can by changing quantum dot size to control, luminous efficiency height etc..But due to size
It is small, quantum dot is also made easily to be influenced by outside environmental elements such as steam, oxygen, temperature and fluorescence efficiency is caused to reduce, service life contracting
It is short.Quantum dot film on the market is mostly protected the upper and lower surface of quantum dot layer using the Obstruct membrane with the oxygen resistance that blocks water at present
Get up to ensure the stabilization of the fluorescence property of quantum dot film, extend its service life.Although Obstruct membrane helps to ensure that quantum
The stabilization of point film properties, but its higher cost also makes holding at high price for quantum dot film.
In order to reduce the cost of quantum dot film, the use of quantum dot TV is made more to popularize, it is necessary to which designing one kind need not
Obstruct membrane, and there is excellent fluorescence property and the quantum dot film of longer fluorescence lifetime simultaneously.This quantum without Obstruct membrane
Point film can also carry out functionalized design according to concrete application demand to the external skin of protective film, can have both in traditional backlight module
Diffusion barrier and brightness enhancement film function.It is this without barrier quantum dot film ensure that quantum dot television color gamut have a wide reach, color it is pure
It spends the advantages of high and effectively reduces product cost, the popularization and application of quantum dot TV can be made more to popularize.
CN201710270817.4 discloses a kind of quantum dot film applied in backlight module and preparation method thereof, the amount
Son point film includes insulating course, the red quantum dot layer for being respectively arranged on insulating course two sides and green quantum dot layer.The patent is by setting
It puts insulating course and extends the service life of quantum dot film to ensure the fluorescence quantum yield of quantum dot film.But this method increases
The cost of quantum dot film is added, has been unfavorable for popularizing.
CN201710133700.1 discloses a kind of quantum dot film and its manufacturing method, and wherein quantum dot layer structure includes phase
The first quantum dot layer and the second quantum dot layer that neighbour is set.The quantum dot film is equally provided with insulating course.In addition, the quantum dot
First base layer structure of film or the outermost layer of the second base layer structure have layers of prisms, but the first base is different with the second base
When there is the layers of prisms, to the setting of layers of prisms, there is also limitations.And the luminous efficiency of quantum dot film is only 70%.
The content of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide it is a kind of without Obstruct membrane, can still keep stable
The preparation method of fluorescence property and the quantum dot film of long service life.
To achieve the above object, the present invention takes following technical scheme：
It is a kind of without barrier quantum dot film, including quantum dot layer, the first protective layer and the second protective layer, wherein quantum dot layer is located at the
Among one protective layer and the second protective layer, the quantum dot layer includes quantum dot and ultra-violet curing glue；It is it is characterized in that, described
Quantum dot in quantum layer includes red quantum dot and green quantum dot, quantum dot selected from the preferable nucleocapsid of stability or
The quantum dot of the quantum dot of capsule structure, preferably nucleocapsid.
Wherein, the first protective layer and the second protective layer carry out surface coating for common PET film or one side according to functional requirement
The thickness of the PET film of processing, first protective layer and the second protective layer is 50 μm~250 μm, preferably 100 μm.
Preferably, PET film has microprismatic optical structure through surface coating process in the coated on one side of the PET film
Optically focused glue-line, thickness are 10 μm~30 μm, and the optically focused glue-line is several parallel prism structures, are preferably that raised crest line is presented
The prism of periodical string of a musical instrument structure.
Preferably, the surface of the PET film through surface coating process is coated with has diffusion effect containing organic polymer particles
Glue-line, particle described in glue-line is chosen as PMMA, PBMA, PS, one or both of PU or Nylon, and particle size range is 3 μ
M~20 μm, glue-line matrix are the acrylic resin or polyurethane resin of heat cure type or UV curing types, gained quantum dot film
Light transmittance is more than 70%, and below 95%, mist degree is more than 60%, and below 90%.
The present invention can be face coat of the same race when the first protective layer and the second protective layer are to have face coat PET
Can be two kinds of different surfaces coating PET base materials；And first the mist degree of protective layer and the second protective layer be more than or equal to 3%.
Nuclear shell structure quantum point core of the present invention is made of Cd, Zn, Se, Te, S elements, then by Al, Ni or Ti
Metallic element carries out nuclear structure cladding processing and forms outer shell.
Ultra-violet curing glue in quantum dot layer of the present invention is made of resin, monomer, diffusion particle and photoinitiator,
Wherein resin is and the preferable hydrophobic resin of quantum dot compatibility, preferably acrylic resin.
Quantum dot film of the present invention containing the first protective layer and the second protective layer structure is there are many structure matching, by upper
Can be to lower structure：Common PET/quantum dot layer/common PET；Common PET/quantum dot layer/has face coat PET；There is surface painting
Layer PET/quantum dot layer/common PET；There is face coat PET/quantum dot layer/to have face coat PET.
On the other hand, the present invention also provides a kind of backlight module, which includes at least one above-mentioned no insulation amount
Son point film.
Description of the drawings
Fig. 1 is the structure diagram of quantum dot film of the present invention；
Fig. 2 is back light module unit structure figure of the present invention.
The present invention is described in detail below in conjunction with the accompanying drawings.
The quantum dot film of the present invention, structure include as shown in Figure 1：Upper protective film 11, quantum dot layer 12 and lower protective film
13。
Wherein upper and lower protective film is common PET film（50 μm~250 μm of thickness range）, PET outer surfaces（I.e. not with amount
The one side of son point layer contact）Can functionalization be carried out according to concrete application demand：It can be coated in PET outer surfaces containing functional grain
The glue-line with diffusion effect of son（Thickness is about 10 μm~20 μm）, particle is generally the organic polymer particle of polydispersion,
It is chosen as PMMA, PBMA, PS, one or both of PU or Nylon；And according to the specific requirement to mist degree and light transmittance
The selection of additive amount and grain size to particle carries out appropriate adjustment（Particle size range is usually at 3 μm~20 μm）, glue-line matrix is
The acrylic resin or polyurethane resin of thermohardening type or UV curing types.
Currently preferred proportioning adjustment mode is that the light transmittance of gained quantum dot film is more than 70%, and below 95%；
Mist degree is more than 60%, and below 90%.It can be according to specific product application demand within the above range by particle size, grain
Sub- addition and bondline thickness are adjusted；Or the optically focused with microprismatic optical structure can be coated in the outer surface of PET film
Glue-line（Thickness is about 10 μm~30 μm）, preferably optically focused glue-line is several parallel prism structures, and more preferably raised crest line is in
Now the prism of periodical string of a musical instrument structure, this optically focused glue-line not only increase quantum dot film compared with conventional prism structure brightness enhancement layer
Brightening effect also improves the uniformity of light distribution.
Quantum dot layer 12 is made of red quantum dot, green quantum dot, diffusion particle and ultra-violet curing glue.Institute of the present invention
The quantum dot that quantum dot is nucleocapsid is stated, the core of quantum dot is made of elements such as Cd, Zn, Se, Te, S, outer shell
Mainly formed with metallic elements such as Al, Ni or Ti.This quantum coated by metallic element as outer shell to core
Point has extraordinary stability and higher fluorescence quantum yield.
Advantageous effect
It is provided by the invention without barrier quantum dot film, have the advantages that：
1st, it is reasonably combined selected from the good quantum dot of stability and hydrophobic resin, make quantum dot film without the special oxygen barrier that blocks water
Under the common PET base protection of energy, it can still keep the stabilization of fluorescence property and fluorescence lifetime unaffected.
2nd, PET film outer surface can carry out functionalized design processing according to use demand outside quantum layer, make quantum dot film real
Existing multifunction can have both diffusion or brightness enhancement function simultaneously.
3rd, it is simple in structure and reached such quantum dot layer to water and oxygen barrier property using PET film as upper and lower protective film
Demand, effectively promote the display effect of liquid crystal display, greatly reduce the cost of quantum dot film and entire backlight module.
Specific embodiment
Below by way of specific embodiment, the above of the present invention is described in further detail, but should not be incited somebody to action
This is interpreted as any restrictions to subject matter of the present invention.All technical solutions realized based on the above of the present invention are belonged to
The scope of the present invention.The present invention to used in experiment to material and test method carry out general and/or specifically retouch
It states.
Quantum dot glue configures：It selects and the preferably hydrophobic acrylic resin of quantum dot compatibility：Monomer is thin
Aqueous Monofunctional monomers and the mixture of polyfunctional monomer；Photoinitiator is the mixture of Irgacure819 and TPO；
Diffusion particle is mainly one or both of TiO2 and organic silicone microparticle mixing and particle size range at 2 μm~10 μm.
0.2~1 mass parts of red quantum dot, each 0.6~1 mass parts of green quantum dot in the quantum dot layer, it is other
Key component：Resin：45~50 mass parts, monomer：45~50 mass parts, 1~4 mass parts of photoinitiator, diffusion particle 1~3
Mass parts, other 2~5 mass parts of auxiliary agent.
Resin, monomer, photoinitiator, diffusion particle, auxiliary agent are mixed and stirred in proportion to uniform, then by red and
Green quantum dot is added in the ultra-violet curing glue mixed, is stirred under 40~50 °C of constant temperatures, makes quantum dot in glue
It is uniformly dispersed in water, the glue containing quantum dot is prepared and finished.Entire process for preparation need to be protected in the argon gas or nitrogen of dry anaerobic
Shield is lower to be carried out, and as far as possible glue is avoided to be in contact with oxygen or steam.
Examples 1 to 8（PET base material thickness is 100 μm, and quantum dot bondline thickness is 100 μm）
Embodiment 1
Common PET base material is laid on experimental bench, appropriate quantum dot glue is dropped in into PET base material one side, is covered with above another
One layer of PET base material, then wet film is made with spreader coating, No. 1 quantum dot film sample is obtained after UV solidification equipments are cured
Product.
Embodiment 2
Glue-line coating process is first diffused to the upper surface of PET base material, selected organic filler is PMMA in the present embodiment
Son, grain size are about 5 μm, and resin is thermal-curable acrylic resin, and treated base material has 3% mist degree.Then by appropriate quantum
Dispensing water droplet overlays on above in common PET base material one side, then by the PET for carrying out diffusion coating process（PET smooth surfaces connect with glue
It touches, one by particle coating process faces outwardly）, wet film is made with spreader coating, UV obtains No. 2 samples after curing.
Embodiment 3
Glue-line coating process is first diffused to the upper surface of PET base material, selected organic filler is polydispersion in the present embodiment
PMMA particles, for grain size at 3~12 μm, resin is thermal-curable acrylic resin, and treated base material has 60% mist degree.So
Appropriate quantum dot glue is dropped in into common PET base material one side afterwards, then the PET for carrying out coating process is overlayed on above（The light of PET
Face and glue-contact, one by particle coating process faces outwardly）, wet film is made with spreader coating, UV obtains No. 3 after curing
Sample.
Embodiment 4
Appropriate quantum dot glue is dropped on common PET base material, then the PET base material that one side has optically focused glue-line is overlayed on above
（The smooth surface and glue-contact of PET has the one of lens optical structure to face outwardly）, wet film is made with spreader coating, UV cures
After obtain No. 4 samples.
Embodiment 5
Particle coating process will be carried out in embodiment 3, the PET base material with 60% mist degree is as lower protective film, in its smooth surface
Appropriate quantum dot glue in upper drop, then overlays on common PET above, wet film is made with spreader coating, UV obtains 5 after curing
Number sample.
Embodiment 6
Particle coating process will be carried out in embodiment 3, the PET base material with 60% mist degree is as lower protective film, in its smooth surface
Then appropriate quantum dot glue in drop will carry out PET base material of the particle coating process with 3% mist degree and overlay in embodiment 2
Face（Smooth surface and glue-contact）, wet film is made with spreader coating, UV obtains No. 6 samples after curing.
Embodiment 7
Particle coating process will be carried out in embodiment 3, the PET base material with 60% mist degree is as lower protective film, in its smooth surface
Then quantum dot glue in drop again overlays on this PET base material with 60% mist degree on glue as upper protective film（Smooth surface with
Glue-contact）, wet film is made with spreader coating, UV obtains No. 7 samples after curing.
Embodiment 8
Particle coating process will be carried out in embodiment 3, the base material with 60% mist degree is as lower protective film, in smooth surface drop
Quantum dot glue, the PET base material that one side then is had optically focused glue-line are overlayed on glue（The smooth surface and glue-contact of PET）, use
Wet film is made in spreader coating, and UV obtains No. 8 samples after curing.
Performance test
1st, by the use of 450nm blue LED lamps as backlight spectra, Blue backlight spectrum is tested respectively using integrating sphere and through quantum
Point film（The direction of blue light incident light is from the past green quantum layer of red quantum dot layer）Spectrum, utilize the integral area meter of spectrogram
Calculate quantum dot film luminous efficiency.
Quantum dot film luminous efficiency=（Red quantum dot absorbs peak area+green quantum dot and absorbs peak area）/（The blueness back of the body
Photopeak area-through the unabsorbed blue peak area of quantum dot film）*100%.
The luminous efficiency of 1 ~ No. 8 sample of testing example, test result show that luminous efficiency is more than 80% respectively.
The 2nd, 1 ~ No. 8 sample of embodiment is respectively assembled in the measure that brightness is carried out in backlight module（Determining instrument is
TOPCON BM-7AS chroma luminance meters）.The group mode of backlight module is as shown in Fig. 2, be followed successively by：Blue-ray LED 21, reflectance coating
22, light guide plate 23, quantum dot film 24, brightness enhancement film 25, upper diffusion barrier 26.
Test result is as shown in table 1, it can be seen that carries out particle coating or optical texture coating process all to PET base material
The brightness of backlight module is improved in various degree.
Table 1 assembles the luminance test Comparative result of the backlight module of different structure quantum dot film
3rd, the quantum dot membrane sample two of Example 1 is opened, and carries out the reliability survey under the conditions of hot and humid and blue light illumination respectively
Examination, reliability test carry out in constant temperature humidity chamber, and experiment condition is respectively 50 DEG C of * 80%RH*1200hr and 40 DEG C of *
1200hr, dry, blue light illumination environment.When reliability tests luminance test, we choose a commercially available quantum dot film finished product and make
For standard specimen, error correction is carried out before each test, and will be before reliability（I.e. 0 it is small when）The brightness value of sample is as a reference value
100% is compared, and test result is shown in Table 2.
Table 2 embodiment, 1 quantum dot sample is hot and humid and blue light illumination reliability test result
From table 2 it can be seen that, 1200 it is small when after sample under the conditions of hot and humid brightness change be less than 2%, blue light illumination condition
Lower brightness change is less than 3%.
Claims (9)
1. a kind of without barrier quantum dot film, including quantum dot layer, the first protective layer and the second protective layer, wherein quantum dot layer is located at
Among first protective layer and the second protective layer, the quantum dot layer includes quantum dot and ultra-violet curing glue；It is characterized in that, institute
Stating the quantum dot in quantum layer includes red quantum dot and green quantum dot, the quantum dot selected from the preferable nucleocapsid of stability
Or the quantum dot of the quantum dot of capsule structure, preferably nucleocapsid.
It is 2. according to claim 1 without barrier quantum dot film, which is characterized in that the first protective layer and the second protective layer are general
Logical PET film or the PET film for carrying out surface coating process according to functional requirement on one side, first protective layer and the second protective layer
Thickness is 50 μm~250 μm, preferably 100 μm.
It is 3. according to claim 2 without barrier quantum dot film, which is characterized in that the PET film through surface coating process, in institute
Stating the coated on one side of PET film has the optically focused glue-line of microprismatic optical structure, and thickness is 10 μm~30 μm, and the optically focused glue-line is
Several parallel prism structures are preferably the prism that periodical string of a musical instrument structure is presented in raised crest line.
4. according to Claims 2 or 3 without barrier quantum dot film, which is characterized in that the PET film through surface coating process
Surface is coated with the glue-line with diffusion effect containing organic polymer particles, and particle is chosen as PMMA, PBMA described in glue-line,
One or both of PS, PU or Nylon, particle size range are 3 μm~20 μm, and glue-line matrix is heat cure type or UV curing types
Acrylic resin or polyurethane resin, more than 70%, and below 95%, mist degree exists the light transmittance of gained quantum dot film
More than 60%, and below 90%.
5. according to claim 3 or 4 without barrier quantum dot film, which is characterized in that when the first protective layer and second protect
Layer is when having face coat PET, can be that face coat of the same race is alternatively two kinds of different surfaces coating PET base materials；And first protects
The mist degree of sheath and the second protective layer is more than or equal to 3%.
6. according to claim 1-5 any one of them without barrier quantum dot film, which is characterized in that the nuclear shell structure quantum point
Core is by Cd, Zn, Se, Te, S elements composition, then by Al, Ni or Ti metallic elements carry out nuclear structure cladding processing shape
Into outer shell.
7. according to claim 1-5 any one of them without barrier quantum dot film, which is characterized in that the purple in the quantum dot layer
Outer solidified glue is made of resin, monomer, diffusion particle and photoinitiator, and wherein resin is preferably to be dredged with quantum dot compatibility
Water-base resin is preferably acrylic resin.
8. according to claim 1-5 any one of them without barrier quantum dot film, which is characterized in that described to contain the first protective layer
With the quantum dot film of the second protective layer structure there are many structure matching, from top to bottom quantum dot membrane structure can be：Common PET/amount
Son point layer/common PET；Common PET/quantum dot layer/has face coat PET；There is face coat PET/quantum dot layer/common
PET；There is face coat PET/quantum dot layer/to have face coat PET.
9. a kind of backlight module, including quantum dot film, which is characterized in that the quantum dot film includes at least a kind of claim 1
To any one of 8 without barrier quantum dot film.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873472A (en) * | 2018-06-28 | 2018-11-23 | 北京中科纳通电子技术有限公司 | Quantum dot film and the liquid crystal display for installing it |
| CN109054062A (en) * | 2018-10-10 | 2018-12-21 | 嘉兴纳鼎光电科技有限公司 | Photoluminescence thin film and the preparation method and application thereof |
| CN109638143A (en) * | 2018-11-06 | 2019-04-16 | 惠州市华星光电技术有限公司 | Quantum dot film and light emitting module |
| CN109768150A (en) * | 2018-12-24 | 2019-05-17 | 宁波激智科技股份有限公司 | A kind of high luminance quantum dot film of high stability and a kind of display device |
| CN111095088A (en) * | 2018-10-19 | 2020-05-01 | 深圳市珏琥显示技术有限公司 | Backlight module and display device |
| CN111273484A (en) * | 2020-03-11 | 2020-06-12 | 宁波东旭成新材料科技有限公司 | Barrier-free diaphragm quantum dot film |
| CN112051686A (en) * | 2019-06-05 | 2020-12-08 | 睿亚光电股份有限公司 | Wavelength conversion element |
| CN112444895A (en) * | 2019-08-27 | 2021-03-05 | 欣盛光电股份有限公司 | Quantum dot reflection type brightness enhancement film |
| CN112684533A (en) * | 2019-10-17 | 2021-04-20 | 现代摩比斯株式会社 | Light guide and method for sequentially illuminating a light guide |
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| CN111095088A (en) * | 2018-10-19 | 2020-05-01 | 深圳市珏琥显示技术有限公司 | Backlight module and display device |
| CN109638143A (en) * | 2018-11-06 | 2019-04-16 | 惠州市华星光电技术有限公司 | Quantum dot film and light emitting module |
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| CN112444895A (en) * | 2019-08-27 | 2021-03-05 | 欣盛光电股份有限公司 | Quantum dot reflection type brightness enhancement film |
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| CN112684533B (en) * | 2019-10-17 | 2023-08-22 | 现代摩比斯株式会社 | Light guide device and method for sequentially illuminating light guide devices |
| CN111273484A (en) * | 2020-03-11 | 2020-06-12 | 宁波东旭成新材料科技有限公司 | Barrier-free diaphragm quantum dot film |
| CN111273484B (en) * | 2020-03-11 | 2023-08-22 | 宁波东旭成新材料科技有限公司 | Non-resistance diaphragm quantum dot film |
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